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Finding the Fourth Proportional to 9,929,807.60, 14,894,711.40 and 6,528,585.20

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Solution

The fourth proportional to 9,929,807.60, 14,894,711.40 and 6,528,585.20 is: 9,792,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,807.60 : 14,894,711.40 = 6,528,585.20 : x
  2. Step 2: Convert to fraction form
    9,929,807.60/14,894,711.40 = 6,528,585.20/x
  3. Step 3: Cross multiply
    9,929,807.60x = 14,894,711.40 × 6,528,585.20
  4. Step 4: Simplify right side
    9,929,807.60x = 97,241,392,404,311.28
  5. Step 5: Solve for x
    x = 97,241,392,404,311.28/9,929,807.60
  6. Step 6: Final answer
    x = 9,792,877.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.